Social Media NASA’s social media universe: Check-ins from space, tweet-ups on Earth In Ragan conference keynote, an astronaut and the agency’s social media manager detail its multi-faceted, round-the-clock approach. By Matt WilsonFeb. 16, 2011 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.